model Fable 5 (1M context) effort Ultracode LFG! 🔥

Fable 5, first Mythos-class model is live on AI/ML... API! We ran a fun test: Opus 4.8 vs Fable 5 are generating a 3D Pokemon. Verdict? Fable 5 is brilliant, fast, and rare as Mew… but Opus is still that nice little guy who does great stuff. 💛 Fable 5 Important bits: SOTA on nearly every benchmark, and the lead only grows on longer, complex tasks. • 1M Context • $10 / 1M input • $50 / 1M output Built for: long-horizon agentic coding, big migrations, vision-to-code, deep research.show more

Truco para gastar tu suscripción de 20$ de Claude... Code con un único prompt. /model → Opus 4.8 /effort → ultracodeshow more

Sonnet 5 is here. It's worse than Opus 4.8... on nearly every benchmark... Does that mean it's useless? Absolutely not. Use it with Claude Code Dynamic Workflows! 1. /model set to Sonnet 5 2. /effort set to Ultracode 3. Any complex task will kick off a dynamic workflow This will only become more powerful when Fable is back. You'll use Fable 5 as the superintelligent advisor and Sonnet 5 as the fast and efficient implementer.show more

Everyone is dunking on Sonnet 5 for losing to... Opus 4.8 on benchmarks. They're all making the same mistake, judging a teammate by a solo test. Sonnet 5 was never built to win alone. Set the model to Sonnet 5, effort to Ultracode, and any complex task auto-kicks a dynamic workflow where it plans, spawns agents, executes and checks its own work, fast and cheap. When Fable 5 comes back, the setup gets stupid good. Fable 5 decides what to build, Sonnet 5 actually builds it. You stop paying flagship prices to do grunt work.show more

Model eval round: GPT 5.6 Sol vs. Fable 5.... Rendered with Seedance 2.0.show more

GPT 5.6 Sol vs Claude Fable 5 Which model... handled the mining mech better?show more

Claude Code に "ultracode" effortが追加！ エフェクトが頭悪すぎるwwwwww

This is amazing. Do this: 1. Set model to... Opus 4.8 2. Reasoning effort to /ultracode Enables Claude Code's new Dynamic Workflows. Claude will autonomously detect complex tasks, write an orchestration script, and spawn an agent swarm.show more

Average US AI lab: > builds the strongest model... > gets scared of its own model > spends months arguing about safety > fights other AI labs over who has the strongest model > delays the release for more safety testing > regulators ask for even more safety > switches users to a dumber model > keeps it closed source Average Chinese AI lab: > trains Kimi K3 > builds a 2.8T parameter monster > gives it a 1M context window > beats GPT-5.6 and Claude Fable 5 on some tasks > open-sources the weights > publishes the architecture > refuses to elaborate > leavesshow more

Claude Fable 5 designs a complete 3D-printable model in... a browser-based CAD editor. The editor was also created by Fable 5, including the built-in AI copilot that does the modeling.show more

Claude Code 2.1.257 has been released. 104 CLI changes... Highlights: • Default Fable model set to Claude Fable 5.1 (1M context); billing now $10/$50 per Mtok, $0.25/Mtok cache reads • Auto mode prompts once before the first file read outside working directories, with an option to block reads • Auto mode blocks auto-approval of cloud metadata, egress evasion and cross-tenant reach—reducing exposure Full details are in thread ↓show more

Model comparison: GPT 5.6 Sol vs. Fable 5 in... a game POV edition generated with Seedance 2.0.show more

BREAKING: 🇺🇸 ANTHROPIC SUSPENDS GLOBAL ACCESS TO MYTHOS FABLE... 5. The US government just ordered Anthropic to suspend foreign access to Mythos Fable 5 AI model. Anthropic has now disabled access for all users worldwide.show more

Claude new model FABLE 5 used an entire $100... month claude sub in three prompts... composer 2.5 made this game in 25x less time, and 100x less tokens spent. is Fable 5 worth it for you ??show more

Claude Code has a new wild feature... dynamic workflow.... How to try: set /model to opus 4.8 set /effort to "ultracode" 😂 use “workflow” in your prompt Claude will write an orchestration script, spawn subagents swarm, verify results, and report back.show more

How to enable 1m context window in Codex

Same game. Three models. UX test, not just UI.... DeepSeek: $0.0008. GLM 5.2: $0.048. Fable 5: $0.42. Open source won on both design and price. Fable 5 just lost a UX battle to a model 500x cheaper.show more

Fable 5 vs Sonnet on Arcads MCP Fable 5... is definitely smarter for video creation:show more

Fable 5 vs Sonnet 5. These evals showcase how... each model prompts Seedance 2.0, the best text-to-video and image-to-video model. In agentic pipelines, that is what sets your success rate per generation.show more

claude fable 5 has solved CAD I asked it... to make a model of a V8 engine It came back to me with a fully working model in under 10 minutesshow more